Home / 145,162.46-217,658.95-56,312.15

Finding the Fourth Proportional to 145,162.46, 217,658.95 and 56,312.15

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Solution

The fourth proportional to 145,162.46, 217,658.95 and 56,312.15 is: 84,435.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,162.46 : 217,658.95 = 56,312.15 : x
  2. Step 2: Convert to fraction form
    145,162.46/217,658.95 = 56,312.15/x
  3. Step 3: Cross multiply
    145,162.46x = 217,658.95 × 56,312.15
  4. Step 4: Simplify right side
    145,162.46x = 12,256,842,212.17
  5. Step 5: Solve for x
    x = 12,256,842,212.17/145,162.46
  6. Step 6: Final answer
    x = 84,435.34

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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.