Home / 153,462.29-211,810.64-103,132.13

Finding the Fourth Proportional to 153,462.29, 211,810.64 and 103,132.13

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Solution

The fourth proportional to 153,462.29, 211,810.64 and 103,132.13 is: 142,344.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,462.29 : 211,810.64 = 103,132.13 : x
  2. Step 2: Convert to fraction form
    153,462.29/211,810.64 = 103,132.13/x
  3. Step 3: Cross multiply
    153,462.29x = 211,810.64 × 103,132.13
  4. Step 4: Simplify right side
    153,462.29x = 21,844,482,459.86
  5. Step 5: Solve for x
    x = 21,844,482,459.86/153,462.29
  6. Step 6: Final answer
    x = 142,344.30

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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.