Home / 124,316.30-186,474.45-77,077.10

Finding the Fourth Proportional to 124,316.30, 186,474.45 and 77,077.10

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Solution

The fourth proportional to 124,316.30, 186,474.45 and 77,077.10 is: 115,615.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,316.30 : 186,474.45 = 77,077.10 : x
  2. Step 2: Convert to fraction form
    124,316.30/186,474.45 = 77,077.10/x
  3. Step 3: Cross multiply
    124,316.30x = 186,474.45 × 77,077.10
  4. Step 4: Simplify right side
    124,316.30x = 14,372,909,830.10
  5. Step 5: Solve for x
    x = 14,372,909,830.10/124,316.30
  6. Step 6: Final answer
    x = 115,615.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.