Home / 155,345.80-233,032.02-66,578.20

Finding the Fourth Proportional to 155,345.80, 233,032.02 and 66,578.20

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Solution

The fourth proportional to 155,345.80, 233,032.02 and 66,578.20 is: 99,873.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,345.80 : 233,032.02 = 66,578.20 : x
  2. Step 2: Convert to fraction form
    155,345.80/233,032.02 = 66,578.20/x
  3. Step 3: Cross multiply
    155,345.80x = 233,032.02 × 66,578.20
  4. Step 4: Simplify right side
    155,345.80x = 15,514,852,433.96
  5. Step 5: Solve for x
    x = 15,514,852,433.96/155,345.80
  6. Step 6: Final answer
    x = 99,873.01

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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.