Home / 112,810.60-169,215.90-42,692.20

Finding the Fourth Proportional to 112,810.60, 169,215.90 and 42,692.20

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Solution

The fourth proportional to 112,810.60, 169,215.90 and 42,692.20 is: 64,038.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,810.60 : 169,215.90 = 42,692.20 : x
  2. Step 2: Convert to fraction form
    112,810.60/169,215.90 = 42,692.20/x
  3. Step 3: Cross multiply
    112,810.60x = 169,215.90 × 42,692.20
  4. Step 4: Simplify right side
    112,810.60x = 7,224,199,045.98
  5. Step 5: Solve for x
    x = 7,224,199,045.98/112,810.60
  6. Step 6: Final answer
    x = 64,038.30

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1.5x scale

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.