Home / 249,431.63-344,223.21-136,261.67

Finding the Fourth Proportional to 249,431.63, 344,223.21 and 136,261.67

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Solution

The fourth proportional to 249,431.63, 344,223.21 and 136,261.67 is: 188,045.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,431.63 : 344,223.21 = 136,261.67 : x
  2. Step 2: Convert to fraction form
    249,431.63/344,223.21 = 136,261.67/x
  3. Step 3: Cross multiply
    249,431.63x = 344,223.21 × 136,261.67
  4. Step 4: Simplify right side
    249,431.63x = 46,904,427,726.24
  5. Step 5: Solve for x
    x = 46,904,427,726.24/249,431.63
  6. Step 6: Final answer
    x = 188,045.23

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1.5x scale

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.