Home / 155,820.48-233,938.08-82,000.32

Finding the Fourth Proportional to 155,820.48, 233,938.08 and 82,000.32

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Solution

The fourth proportional to 155,820.48, 233,938.08 and 82,000.32 is: 123,109.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,820.48 : 233,938.08 = 82,000.32 : x
  2. Step 2: Convert to fraction form
    155,820.48/233,938.08 = 82,000.32/x
  3. Step 3: Cross multiply
    155,820.48x = 233,938.08 × 82,000.32
  4. Step 4: Simplify right side
    155,820.48x = 19,182,997,420.19
  5. Step 5: Solve for x
    x = 19,182,997,420.19/155,820.48
  6. Step 6: Final answer
    x = 123,109.60

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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.