Home / 145,830.02-218,712.16-52,335.77

Finding the Fourth Proportional to 145,830.02, 218,712.16 and 52,335.77

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Solution

The fourth proportional to 145,830.02, 218,712.16 and 52,335.77 is: 78,491.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,830.02 : 218,712.16 = 52,335.77 : x
  2. Step 2: Convert to fraction form
    145,830.02/218,712.16 = 52,335.77/x
  3. Step 3: Cross multiply
    145,830.02x = 218,712.16 × 52,335.77
  4. Step 4: Simplify right side
    145,830.02x = 11,446,468,077.56
  5. Step 5: Solve for x
    x = 11,446,468,077.56/145,830.02
  6. Step 6: Final answer
    x = 78,491.85

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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.