Home / 152,291.34-210,220.92-136,348.11

Finding the Fourth Proportional to 152,291.34, 210,220.92 and 136,348.11

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Solution

The fourth proportional to 152,291.34, 210,220.92 and 136,348.11 is: 188,213.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,291.34 : 210,220.92 = 136,348.11 : x
  2. Step 2: Convert to fraction form
    152,291.34/210,220.92 = 136,348.11/x
  3. Step 3: Cross multiply
    152,291.34x = 210,220.92 × 136,348.11
  4. Step 4: Simplify right side
    152,291.34x = 28,663,225,124.46
  5. Step 5: Solve for x
    x = 28,663,225,124.46/152,291.34
  6. Step 6: Final answer
    x = 188,213.10

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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.