Home / 216,646.47-299,013.45-145,151.13

Finding the Fourth Proportional to 216,646.47, 299,013.45 and 145,151.13

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Solution

The fourth proportional to 216,646.47, 299,013.45 and 145,151.13 is: 200,336.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,646.47 : 299,013.45 = 145,151.13 : x
  2. Step 2: Convert to fraction form
    216,646.47/299,013.45 = 145,151.13/x
  3. Step 3: Cross multiply
    216,646.47x = 299,013.45 × 145,151.13
  4. Step 4: Simplify right side
    216,646.47x = 43,402,140,152.70
  5. Step 5: Solve for x
    x = 43,402,140,152.70/216,646.47
  6. Step 6: Final answer
    x = 200,336.24

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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.