Home / 127,515.53-175,970.95-70,926.91

Finding the Fourth Proportional to 127,515.53, 175,970.95 and 70,926.91

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Solution

The fourth proportional to 127,515.53, 175,970.95 and 70,926.91 is: 97,878.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,515.53 : 175,970.95 = 70,926.91 : x
  2. Step 2: Convert to fraction form
    127,515.53/175,970.95 = 70,926.91/x
  3. Step 3: Cross multiply
    127,515.53x = 175,970.95 × 70,926.91
  4. Step 4: Simplify right side
    127,515.53x = 12,481,075,733.26
  5. Step 5: Solve for x
    x = 12,481,075,733.26/127,515.53
  6. Step 6: Final answer
    x = 97,878.87

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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.