Home / 161,948.45-223,478.73-89,352.20

Finding the Fourth Proportional to 161,948.45, 223,478.73 and 89,352.20

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Solution

The fourth proportional to 161,948.45, 223,478.73 and 89,352.20 is: 123,300.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,948.45 : 223,478.73 = 89,352.20 : x
  2. Step 2: Convert to fraction form
    161,948.45/223,478.73 = 89,352.20/x
  3. Step 3: Cross multiply
    161,948.45x = 223,478.73 × 89,352.20
  4. Step 4: Simplify right side
    161,948.45x = 19,968,316,737.40
  5. Step 5: Solve for x
    x = 19,968,316,737.40/161,948.45
  6. Step 6: Final answer
    x = 123,300.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.