Home / 137,837.32-190,075.50-129,800.92

Finding the Fourth Proportional to 137,837.32, 190,075.50 and 129,800.92

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Solution

The fourth proportional to 137,837.32, 190,075.50 and 129,800.92 is: 178,993.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,837.32 : 190,075.50 = 129,800.92 : x
  2. Step 2: Convert to fraction form
    137,837.32/190,075.50 = 129,800.92/x
  3. Step 3: Cross multiply
    137,837.32x = 190,075.50 × 129,800.92
  4. Step 4: Simplify right side
    137,837.32x = 24,671,974,769.46
  5. Step 5: Solve for x
    x = 24,671,974,769.46/137,837.32
  6. Step 6: Final answer
    x = 178,993.43

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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.