Home / 208,024.32-287,073.24-112,530.72

Finding the Fourth Proportional to 208,024.32, 287,073.24 and 112,530.72

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Solution

The fourth proportional to 208,024.32, 287,073.24 and 112,530.72 is: 155,292.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,024.32 : 287,073.24 = 112,530.72 : x
  2. Step 2: Convert to fraction form
    208,024.32/287,073.24 = 112,530.72/x
  3. Step 3: Cross multiply
    208,024.32x = 287,073.24 × 112,530.72
  4. Step 4: Simplify right side
    208,024.32x = 32,304,558,389.93
  5. Step 5: Solve for x
    x = 32,304,558,389.93/208,024.32
  6. Step 6: Final answer
    x = 155,292.22

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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.