Home / 207,897.42-286,795.35-130,359.36

Finding the Fourth Proportional to 207,897.42, 286,795.35 and 130,359.36

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Solution

The fourth proportional to 207,897.42, 286,795.35 and 130,359.36 is: 179,831.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,897.42 : 286,795.35 = 130,359.36 : x
  2. Step 2: Convert to fraction form
    207,897.42/286,795.35 = 130,359.36/x
  3. Step 3: Cross multiply
    207,897.42x = 286,795.35 × 130,359.36
  4. Step 4: Simplify right side
    207,897.42x = 37,386,458,276.98
  5. Step 5: Solve for x
    x = 37,386,458,276.98/207,897.42
  6. Step 6: Final answer
    x = 179,831.28

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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.