Home / 143,698.10-215,547.15-93,931.70

Finding the Fourth Proportional to 143,698.10, 215,547.15 and 93,931.70

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Solution

The fourth proportional to 143,698.10, 215,547.15 and 93,931.70 is: 140,897.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,698.10 : 215,547.15 = 93,931.70 : x
  2. Step 2: Convert to fraction form
    143,698.10/215,547.15 = 93,931.70/x
  3. Step 3: Cross multiply
    143,698.10x = 215,547.15 × 93,931.70
  4. Step 4: Simplify right side
    143,698.10x = 20,246,710,229.66
  5. Step 5: Solve for x
    x = 20,246,710,229.66/143,698.10
  6. Step 6: Final answer
    x = 140,897.55

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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.