Home / 249,132.16-343,803.45-135,957.34

Finding the Fourth Proportional to 249,132.16, 343,803.45 and 135,957.34

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Solution

The fourth proportional to 249,132.16, 343,803.45 and 135,957.34 is: 187,621.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,132.16 : 343,803.45 = 135,957.34 : x
  2. Step 2: Convert to fraction form
    249,132.16/343,803.45 = 135,957.34/x
  3. Step 3: Cross multiply
    249,132.16x = 343,803.45 × 135,957.34
  4. Step 4: Simplify right side
    249,132.16x = 46,742,602,544.82
  5. Step 5: Solve for x
    x = 46,742,602,544.82/249,132.16
  6. Step 6: Final answer
    x = 187,621.71

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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.