Home / 207,970.47-286,999.02-112,476.96

Finding the Fourth Proportional to 207,970.47, 286,999.02 and 112,476.96

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Solution

The fourth proportional to 207,970.47, 286,999.02 and 112,476.96 is: 155,218.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,970.47 : 286,999.02 = 112,476.96 : x
  2. Step 2: Convert to fraction form
    207,970.47/286,999.02 = 112,476.96/x
  3. Step 3: Cross multiply
    207,970.47x = 286,999.02 × 112,476.96
  4. Step 4: Simplify right side
    207,970.47x = 32,280,777,292.58
  5. Step 5: Solve for x
    x = 32,280,777,292.58/207,970.47
  6. Step 6: Final answer
    x = 155,218.08

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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.