Home / 238,220.80-357,072-97,941.76

Finding the Fourth Proportional to 238,220.80, 357,072 and 97,941.76

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Solution

The fourth proportional to 238,220.80, 357,072 and 97,941.76 is: 146,806.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,220.80 : 357,072 = 97,941.76 : x
  2. Step 2: Convert to fraction form
    238,220.80/357,072 = 97,941.76/x
  3. Step 3: Cross multiply
    238,220.80x = 357,072 × 97,941.76
  4. Step 4: Simplify right side
    238,220.80x = 34,972,260,126.72
  5. Step 5: Solve for x
    x = 34,972,260,126.72/238,220.80
  6. Step 6: Final answer
    x = 146,806.07

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1.5x scale

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.