Home / 127,432.17-175,860.90-70,075.86

Finding the Fourth Proportional to 127,432.17, 175,860.90 and 70,075.86

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Solution

The fourth proportional to 127,432.17, 175,860.90 and 70,075.86 is: 96,707.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,432.17 : 175,860.90 = 70,075.86 : x
  2. Step 2: Convert to fraction form
    127,432.17/175,860.90 = 70,075.86/x
  3. Step 3: Cross multiply
    127,432.17x = 175,860.90 × 70,075.86
  4. Step 4: Simplify right side
    127,432.17x = 12,323,603,807.87
  5. Step 5: Solve for x
    x = 12,323,603,807.87/127,432.17
  6. Step 6: Final answer
    x = 96,707.16

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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.