Home / 145,345.16-217,894.62-56,660.70

Finding the Fourth Proportional to 145,345.16, 217,894.62 and 56,660.70

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Solution

The fourth proportional to 145,345.16, 217,894.62 and 56,660.70 is: 84,943.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,345.16 : 217,894.62 = 56,660.70 : x
  2. Step 2: Convert to fraction form
    145,345.16/217,894.62 = 56,660.70/x
  3. Step 3: Cross multiply
    145,345.16x = 217,894.62 × 56,660.70
  4. Step 4: Simplify right side
    145,345.16x = 12,346,061,695.43
  5. Step 5: Solve for x
    x = 12,346,061,695.43/145,345.16
  6. Step 6: Final answer
    x = 84,943.05

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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.