Home / 147,595.56-221,458.14-77,458.47

Finding the Fourth Proportional to 147,595.56, 221,458.14 and 77,458.47

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Solution

The fourth proportional to 147,595.56, 221,458.14 and 77,458.47 is: 116,221.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,595.56 : 221,458.14 = 77,458.47 : x
  2. Step 2: Convert to fraction form
    147,595.56/221,458.14 = 77,458.47/x
  3. Step 3: Cross multiply
    147,595.56x = 221,458.14 × 77,458.47
  4. Step 4: Simplify right side
    147,595.56x = 17,153,808,693.45
  5. Step 5: Solve for x
    x = 17,153,808,693.45/147,595.56
  6. Step 6: Final answer
    x = 116,221.71

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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.