Home / 155,473.02-233,210.34-85,314.06

Finding the Fourth Proportional to 155,473.02, 233,210.34 and 85,314.06

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Solution

The fourth proportional to 155,473.02, 233,210.34 and 85,314.06 is: 127,971.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,473.02 : 233,210.34 = 85,314.06 : x
  2. Step 2: Convert to fraction form
    155,473.02/233,210.34 = 85,314.06/x
  3. Step 3: Cross multiply
    155,473.02x = 233,210.34 × 85,314.06
  4. Step 4: Simplify right side
    155,473.02x = 19,896,120,939.38
  5. Step 5: Solve for x
    x = 19,896,120,939.38/155,473.02
  6. Step 6: Final answer
    x = 127,971.53

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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.