Home / 112,042.50-154,621.95-61,744.74

Finding the Fourth Proportional to 112,042.50, 154,621.95 and 61,744.74

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Solution

The fourth proportional to 112,042.50, 154,621.95 and 61,744.74 is: 85,209.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,042.50 : 154,621.95 = 61,744.74 : x
  2. Step 2: Convert to fraction form
    112,042.50/154,621.95 = 61,744.74/x
  3. Step 3: Cross multiply
    112,042.50x = 154,621.95 × 61,744.74
  4. Step 4: Simplify right side
    112,042.50x = 9,547,092,101.04
  5. Step 5: Solve for x
    x = 9,547,092,101.04/112,042.50
  6. Step 6: Final answer
    x = 85,209.56

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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.