Home / 115,265.08-159,070.26-64,963

Finding the Fourth Proportional to 115,265.08, 159,070.26 and 64,963

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Solution

The fourth proportional to 115,265.08, 159,070.26 and 64,963 is: 89,651.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,265.08 : 159,070.26 = 64,963 : x
  2. Step 2: Convert to fraction form
    115,265.08/159,070.26 = 64,963/x
  3. Step 3: Cross multiply
    115,265.08x = 159,070.26 × 64,963
  4. Step 4: Simplify right side
    115,265.08x = 10,333,681,300.38
  5. Step 5: Solve for x
    x = 10,333,681,300.38/115,265.08
  6. Step 6: Final answer
    x = 89,651.45

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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.