Home / 181,621.40-272,432.10-160,885.40

Finding the Fourth Proportional to 181,621.40, 272,432.10 and 160,885.40

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Solution

The fourth proportional to 181,621.40, 272,432.10 and 160,885.40 is: 241,328.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,621.40 : 272,432.10 = 160,885.40 : x
  2. Step 2: Convert to fraction form
    181,621.40/272,432.10 = 160,885.40/x
  3. Step 3: Cross multiply
    181,621.40x = 272,432.10 × 160,885.40
  4. Step 4: Simplify right side
    181,621.40x = 43,830,347,381.34
  5. Step 5: Solve for x
    x = 43,830,347,381.34/181,621.40
  6. Step 6: Final answer
    x = 241,328.10

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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.