Home / 90,492.68-124,890.98-52,252.13

Finding the Fourth Proportional to 90,492.68, 124,890.98 and 52,252.13

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Solution

The fourth proportional to 90,492.68, 124,890.98 and 52,252.13 is: 72,114.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,492.68 : 124,890.98 = 52,252.13 : x
  2. Step 2: Convert to fraction form
    90,492.68/124,890.98 = 52,252.13/x
  3. Step 3: Cross multiply
    90,492.68x = 124,890.98 × 52,252.13
  4. Step 4: Simplify right side
    90,492.68x = 6,525,819,461.53
  5. Step 5: Solve for x
    x = 6,525,819,461.53/90,492.68
  6. Step 6: Final answer
    x = 72,114.34

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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.