Home / 115,113.42-158,854.10-64,126.08

Finding the Fourth Proportional to 115,113.42, 158,854.10 and 64,126.08

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Solution

The fourth proportional to 115,113.42, 158,854.10 and 64,126.08 is: 88,492.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,113.42 : 158,854.10 = 64,126.08 : x
  2. Step 2: Convert to fraction form
    115,113.42/158,854.10 = 64,126.08/x
  3. Step 3: Cross multiply
    115,113.42x = 158,854.10 × 64,126.08
  4. Step 4: Simplify right side
    115,113.42x = 10,186,690,404.30
  5. Step 5: Solve for x
    x = 10,186,690,404.30/115,113.42
  6. Step 6: Final answer
    x = 88,492.64

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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.