Home / 165,965.56-249,046.77-155,457.71

Finding the Fourth Proportional to 165,965.56, 249,046.77 and 155,457.71

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Solution

The fourth proportional to 165,965.56, 249,046.77 and 155,457.71 is: 233,278.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,965.56 : 249,046.77 = 155,457.71 : x
  2. Step 2: Convert to fraction form
    165,965.56/249,046.77 = 155,457.71/x
  3. Step 3: Cross multiply
    165,965.56x = 249,046.77 × 155,457.71
  4. Step 4: Simplify right side
    165,965.56x = 38,716,240,547.10
  5. Step 5: Solve for x
    x = 38,716,240,547.10/165,965.56
  6. Step 6: Final answer
    x = 233,278.76

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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.