Home / 143,520.86-215,329.93-63,547.79

Finding the Fourth Proportional to 143,520.86, 215,329.93 and 63,547.79

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Solution

The fourth proportional to 143,520.86, 215,329.93 and 63,547.79 is: 95,343.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,520.86 : 215,329.93 = 63,547.79 : x
  2. Step 2: Convert to fraction form
    143,520.86/215,329.93 = 63,547.79/x
  3. Step 3: Cross multiply
    143,520.86x = 215,329.93 × 63,547.79
  4. Step 4: Simplify right side
    143,520.86x = 13,683,739,936.84
  5. Step 5: Solve for x
    x = 13,683,739,936.84/143,520.86
  6. Step 6: Final answer
    x = 95,343.21

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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.