Home / 145,390.28-217,956.06-56,623.08

Finding the Fourth Proportional to 145,390.28, 217,956.06 and 56,623.08

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Solution

The fourth proportional to 145,390.28, 217,956.06 and 56,623.08 is: 84,884.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,390.28 : 217,956.06 = 56,623.08 : x
  2. Step 2: Convert to fraction form
    145,390.28/217,956.06 = 56,623.08/x
  3. Step 3: Cross multiply
    145,390.28x = 217,956.06 × 56,623.08
  4. Step 4: Simplify right side
    145,390.28x = 12,341,343,421.86
  5. Step 5: Solve for x
    x = 12,341,343,421.86/145,390.28
  6. Step 6: Final answer
    x = 84,884.24

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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.