Home / 249,698.15-374,582.76-81,164.28

Finding the Fourth Proportional to 249,698.15, 374,582.76 and 81,164.28

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Solution

The fourth proportional to 249,698.15, 374,582.76 and 81,164.28 is: 121,757.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,698.15 : 374,582.76 = 81,164.28 : x
  2. Step 2: Convert to fraction form
    249,698.15/374,582.76 = 81,164.28/x
  3. Step 3: Cross multiply
    249,698.15x = 374,582.76 × 81,164.28
  4. Step 4: Simplify right side
    249,698.15x = 30,402,740,015.81
  5. Step 5: Solve for x
    x = 30,402,740,015.81/249,698.15
  6. Step 6: Final answer
    x = 121,757.97

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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.