Home / 249,746.31-344,642.91-136,566.63

Finding the Fourth Proportional to 249,746.31, 344,642.91 and 136,566.63

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Solution

The fourth proportional to 249,746.31, 344,642.91 and 136,566.63 is: 188,458.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,746.31 : 344,642.91 = 136,566.63 : x
  2. Step 2: Convert to fraction form
    249,746.31/344,642.91 = 136,566.63/x
  3. Step 3: Cross multiply
    249,746.31x = 344,642.91 × 136,566.63
  4. Step 4: Simplify right side
    249,746.31x = 47,066,722,189.51
  5. Step 5: Solve for x
    x = 47,066,722,189.51/249,746.31
  6. Step 6: Final answer
    x = 188,458.13

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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.