Home / 75,395.04-112,266.16-72,700.92

Finding the Fourth Proportional to 75,395.04, 112,266.16 and 72,700.92

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Solution

The fourth proportional to 75,395.04, 112,266.16 and 72,700.92 is: 108,254.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,395.04 : 112,266.16 = 72,700.92 : x
  2. Step 2: Convert to fraction form
    75,395.04/112,266.16 = 72,700.92/x
  3. Step 3: Cross multiply
    75,395.04x = 112,266.16 × 72,700.92
  4. Step 4: Simplify right side
    75,395.04x = 8,161,852,935.11
  5. Step 5: Solve for x
    x = 8,161,852,935.11/75,395.04
  6. Step 6: Final answer
    x = 108,254.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.