Home / 147,143.76-220,711.50-47,303.16

Finding the Fourth Proportional to 147,143.76, 220,711.50 and 47,303.16

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Solution

The fourth proportional to 147,143.76, 220,711.50 and 47,303.16 is: 70,953.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,143.76 : 220,711.50 = 47,303.16 : x
  2. Step 2: Convert to fraction form
    147,143.76/220,711.50 = 47,303.16/x
  3. Step 3: Cross multiply
    147,143.76x = 220,711.50 × 47,303.16
  4. Step 4: Simplify right side
    147,143.76x = 10,440,351,398.34
  5. Step 5: Solve for x
    x = 10,440,351,398.34/147,143.76
  6. Step 6: Final answer
    x = 70,953.41

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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.