Home / 162,264.15-223,938-89,681.21

Finding the Fourth Proportional to 162,264.15, 223,938 and 89,681.21

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Solution

The fourth proportional to 162,264.15, 223,938 and 89,681.21 is: 123,767.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,264.15 : 223,938 = 89,681.21 : x
  2. Step 2: Convert to fraction form
    162,264.15/223,938 = 89,681.21/x
  3. Step 3: Cross multiply
    162,264.15x = 223,938 × 89,681.21
  4. Step 4: Simplify right side
    162,264.15x = 20,083,029,685.29
  5. Step 5: Solve for x
    x = 20,083,029,685.29/162,264.15
  6. Step 6: Final answer
    x = 123,767.51

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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.