Home / 145,828.55-218,761.05-57,070.58

Finding the Fourth Proportional to 145,828.55, 218,761.05 and 57,070.58

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Solution

The fourth proportional to 145,828.55, 218,761.05 and 57,070.58 is: 85,613.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,828.55 : 218,761.05 = 57,070.58 : x
  2. Step 2: Convert to fraction form
    145,828.55/218,761.05 = 57,070.58/x
  3. Step 3: Cross multiply
    145,828.55x = 218,761.05 × 57,070.58
  4. Step 4: Simplify right side
    145,828.55x = 12,484,820,004.91
  5. Step 5: Solve for x
    x = 12,484,820,004.91/145,828.55
  6. Step 6: Final answer
    x = 85,613.00

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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.