Home / 155,421.57-233,132.40-43,130.10

Finding the Fourth Proportional to 155,421.57, 233,132.40 and 43,130.10

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Solution

The fourth proportional to 155,421.57, 233,132.40 and 43,130.10 is: 64,695.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,421.57 : 233,132.40 = 43,130.10 : x
  2. Step 2: Convert to fraction form
    155,421.57/233,132.40 = 43,130.10/x
  3. Step 3: Cross multiply
    155,421.57x = 233,132.40 × 43,130.10
  4. Step 4: Simplify right side
    155,421.57x = 10,055,023,725.24
  5. Step 5: Solve for x
    x = 10,055,023,725.24/155,421.57
  6. Step 6: Final answer
    x = 64,695.16

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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.