Home / 92,070.18-138,113.10-25,510.32

Finding the Fourth Proportional to 92,070.18, 138,113.10 and 25,510.32

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Solution

The fourth proportional to 92,070.18, 138,113.10 and 25,510.32 is: 38,267.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,070.18 : 138,113.10 = 25,510.32 : x
  2. Step 2: Convert to fraction form
    92,070.18/138,113.10 = 25,510.32/x
  3. Step 3: Cross multiply
    92,070.18x = 138,113.10 × 25,510.32
  4. Step 4: Simplify right side
    92,070.18x = 3,523,309,377.19
  5. Step 5: Solve for x
    x = 3,523,309,377.19/92,070.18
  6. Step 6: Final answer
    x = 38,267.65

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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.