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Finding the Fourth Proportional to 124,272.60, 168,030.45 and 124,272.60

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Solution

The fourth proportional to 124,272.60, 168,030.45 and 124,272.60 is: 168,030.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,272.60 : 168,030.45 = 124,272.60 : x
  2. Step 2: Convert to fraction form
    124,272.60/168,030.45 = 124,272.60/x
  3. Step 3: Cross multiply
    124,272.60x = 168,030.45 × 124,272.60
  4. Step 4: Simplify right side
    124,272.60x = 20,881,580,900.67
  5. Step 5: Solve for x
    x = 20,881,580,900.67/124,272.60
  6. Step 6: Final answer
    x = 168,030.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.