Home / 257,064.48-354,681.72-148,142.16

Finding the Fourth Proportional to 257,064.48, 354,681.72 and 148,142.16

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Solution

The fourth proportional to 257,064.48, 354,681.72 and 148,142.16 is: 204,397.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,064.48 : 354,681.72 = 148,142.16 : x
  2. Step 2: Convert to fraction form
    257,064.48/354,681.72 = 148,142.16/x
  3. Step 3: Cross multiply
    257,064.48x = 354,681.72 × 148,142.16
  4. Step 4: Simplify right side
    257,064.48x = 52,543,316,113.32
  5. Step 5: Solve for x
    x = 52,543,316,113.32/257,064.48
  6. Step 6: Final answer
    x = 204,397.42

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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.