Home / 143,533.86-215,256.98-115,387.16

Finding the Fourth Proportional to 143,533.86, 215,256.98 and 115,387.16

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Solution

The fourth proportional to 143,533.86, 215,256.98 and 115,387.16 is: 173,045.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,533.86 : 215,256.98 = 115,387.16 : x
  2. Step 2: Convert to fraction form
    143,533.86/215,256.98 = 115,387.16/x
  3. Step 3: Cross multiply
    143,533.86x = 215,256.98 × 115,387.16
  4. Step 4: Simplify right side
    143,533.86x = 24,837,891,592.38
  5. Step 5: Solve for x
    x = 24,837,891,592.38/143,533.86
  6. Step 6: Final answer
    x = 173,045.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.