Home / 249,041.75-343,681.43-135,864.50

Finding the Fourth Proportional to 249,041.75, 343,681.43 and 135,864.50

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Solution

The fourth proportional to 249,041.75, 343,681.43 and 135,864.50 is: 187,495.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,041.75 : 343,681.43 = 135,864.50 : x
  2. Step 2: Convert to fraction form
    249,041.75/343,681.43 = 135,864.50/x
  3. Step 3: Cross multiply
    249,041.75x = 343,681.43 × 135,864.50
  4. Step 4: Simplify right side
    249,041.75x = 46,694,103,248.51
  5. Step 5: Solve for x
    x = 46,694,103,248.51/249,041.75
  6. Step 6: Final answer
    x = 187,495.09

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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.