Home / 245,159.46-338,312.23-136,263.26

Finding the Fourth Proportional to 245,159.46, 338,312.23 and 136,263.26

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Solution

The fourth proportional to 245,159.46, 338,312.23 and 136,263.26 is: 188,038.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,159.46 : 338,312.23 = 136,263.26 : x
  2. Step 2: Convert to fraction form
    245,159.46/338,312.23 = 136,263.26/x
  3. Step 3: Cross multiply
    245,159.46x = 338,312.23 × 136,263.26
  4. Step 4: Simplify right side
    245,159.46x = 46,099,527,862.79
  5. Step 5: Solve for x
    x = 46,099,527,862.79/245,159.46
  6. Step 6: Final answer
    x = 188,038.95

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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.