Home / 249,528.71-374,400.29-81,100.65

Finding the Fourth Proportional to 249,528.71, 374,400.29 and 81,100.65

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Solution

The fourth proportional to 249,528.71, 374,400.29 and 81,100.65 is: 121,685.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,528.71 : 374,400.29 = 81,100.65 : x
  2. Step 2: Convert to fraction form
    249,528.71/374,400.29 = 81,100.65/x
  3. Step 3: Cross multiply
    249,528.71x = 374,400.29 × 81,100.65
  4. Step 4: Simplify right side
    249,528.71x = 30,364,106,879.19
  5. Step 5: Solve for x
    x = 30,364,106,879.19/249,528.71
  6. Step 6: Final answer
    x = 121,685.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.