Home / 120,337.52-180,510.47-57,125.08

Finding the Fourth Proportional to 120,337.52, 180,510.47 and 57,125.08

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Solution

The fourth proportional to 120,337.52, 180,510.47 and 57,125.08 is: 85,689.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,337.52 : 180,510.47 = 57,125.08 : x
  2. Step 2: Convert to fraction form
    120,337.52/180,510.47 = 57,125.08/x
  3. Step 3: Cross multiply
    120,337.52x = 180,510.47 × 57,125.08
  4. Step 4: Simplify right side
    120,337.52x = 10,311,674,302.69
  5. Step 5: Solve for x
    x = 10,311,674,302.69/120,337.52
  6. Step 6: Final answer
    x = 85,689.60

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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.