Home / 122,962.10-184,443.15-112,075.70

Finding the Fourth Proportional to 122,962.10, 184,443.15 and 112,075.70

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Solution

The fourth proportional to 122,962.10, 184,443.15 and 112,075.70 is: 168,113.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,962.10 : 184,443.15 = 112,075.70 : x
  2. Step 2: Convert to fraction form
    122,962.10/184,443.15 = 112,075.70/x
  3. Step 3: Cross multiply
    122,962.10x = 184,443.15 × 112,075.70
  4. Step 4: Simplify right side
    122,962.10x = 20,671,595,146.46
  5. Step 5: Solve for x
    x = 20,671,595,146.46/122,962.10
  6. Step 6: Final answer
    x = 168,113.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.