Home / 162,038.60-223,613.28-89,441.51

Finding the Fourth Proportional to 162,038.60, 223,613.28 and 89,441.51

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Solution

The fourth proportional to 162,038.60, 223,613.28 and 89,441.51 is: 123,429.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,038.60 : 223,613.28 = 89,441.51 : x
  2. Step 2: Convert to fraction form
    162,038.60/223,613.28 = 89,441.51/x
  3. Step 3: Cross multiply
    162,038.60x = 223,613.28 × 89,441.51
  4. Step 4: Simplify right side
    162,038.60x = 20,000,308,301.19
  5. Step 5: Solve for x
    x = 20,000,308,301.19/162,038.60
  6. Step 6: Final answer
    x = 123,429.29

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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.