Home / 130,655.50-180,304.68-74,070.52

Finding the Fourth Proportional to 130,655.50, 180,304.68 and 74,070.52

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Solution

The fourth proportional to 130,655.50, 180,304.68 and 74,070.52 is: 102,217.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,655.50 : 180,304.68 = 74,070.52 : x
  2. Step 2: Convert to fraction form
    130,655.50/180,304.68 = 74,070.52/x
  3. Step 3: Cross multiply
    130,655.50x = 180,304.68 × 74,070.52
  4. Step 4: Simplify right side
    130,655.50x = 13,355,261,406.03
  5. Step 5: Solve for x
    x = 13,355,261,406.03/130,655.50
  6. Step 6: Final answer
    x = 102,217.37

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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.