Home / 145,036.56-217,397.52-56,263.80

Finding the Fourth Proportional to 145,036.56, 217,397.52 and 56,263.80

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Solution

The fourth proportional to 145,036.56, 217,397.52 and 56,263.80 is: 84,334.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,036.56 : 217,397.52 = 56,263.80 : x
  2. Step 2: Convert to fraction form
    145,036.56/217,397.52 = 56,263.80/x
  3. Step 3: Cross multiply
    145,036.56x = 217,397.52 × 56,263.80
  4. Step 4: Simplify right side
    145,036.56x = 12,231,610,585.78
  5. Step 5: Solve for x
    x = 12,231,610,585.78/145,036.56
  6. Step 6: Final answer
    x = 84,334.67

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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.