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Finding the Fourth Proportional to 158,842.01, 219,200.98 and 90,860.11

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Solution

The fourth proportional to 158,842.01, 219,200.98 and 90,860.11 is: 125,386.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,842.01 : 219,200.98 = 90,860.11 : x
  2. Step 2: Convert to fraction form
    158,842.01/219,200.98 = 90,860.11/x
  3. Step 3: Cross multiply
    158,842.01x = 219,200.98 × 90,860.11
  4. Step 4: Simplify right side
    158,842.01x = 19,916,625,475.76
  5. Step 5: Solve for x
    x = 19,916,625,475.76/158,842.01
  6. Step 6: Final answer
    x = 125,386.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.