Home / 156,632.71-235,047.90-66,675.29

Finding the Fourth Proportional to 156,632.71, 235,047.90 and 66,675.29

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Solution

The fourth proportional to 156,632.71, 235,047.90 and 66,675.29 is: 100,055.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,632.71 : 235,047.90 = 66,675.29 : x
  2. Step 2: Convert to fraction form
    156,632.71/235,047.90 = 66,675.29/x
  3. Step 3: Cross multiply
    156,632.71x = 235,047.90 × 66,675.29
  4. Step 4: Simplify right side
    156,632.71x = 15,671,886,896.39
  5. Step 5: Solve for x
    x = 15,671,886,896.39/156,632.71
  6. Step 6: Final answer
    x = 100,055.01

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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.