Home / 102,733.04-141,507.93-72,465.17

Finding the Fourth Proportional to 102,733.04, 141,507.93 and 72,465.17

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Solution

The fourth proportional to 102,733.04, 141,507.93 and 72,465.17 is: 99,815.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,733.04 : 141,507.93 = 72,465.17 : x
  2. Step 2: Convert to fraction form
    102,733.04/141,507.93 = 72,465.17/x
  3. Step 3: Cross multiply
    102,733.04x = 141,507.93 × 72,465.17
  4. Step 4: Simplify right side
    102,733.04x = 10,254,396,203.80
  5. Step 5: Solve for x
    x = 10,254,396,203.80/102,733.04
  6. Step 6: Final answer
    x = 99,815.95

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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.