Home / 99,840.15-149,630.95-40,607.01

Finding the Fourth Proportional to 99,840.15, 149,630.95 and 40,607.01

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Solution

The fourth proportional to 99,840.15, 149,630.95 and 40,607.01 is: 60,857.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,840.15 : 149,630.95 = 40,607.01 : x
  2. Step 2: Convert to fraction form
    99,840.15/149,630.95 = 40,607.01/x
  3. Step 3: Cross multiply
    99,840.15x = 149,630.95 × 40,607.01
  4. Step 4: Simplify right side
    99,840.15x = 6,076,065,482.96
  5. Step 5: Solve for x
    x = 6,076,065,482.96/99,840.15
  6. Step 6: Final answer
    x = 60,857.94

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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.