Home / 131,203.95-181,056.24-77,506.22

Finding the Fourth Proportional to 131,203.95, 181,056.24 and 77,506.22

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Solution

The fourth proportional to 131,203.95, 181,056.24 and 77,506.22 is: 106,955.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,203.95 : 181,056.24 = 77,506.22 : x
  2. Step 2: Convert to fraction form
    131,203.95/181,056.24 = 77,506.22/x
  3. Step 3: Cross multiply
    131,203.95x = 181,056.24 × 77,506.22
  4. Step 4: Simplify right side
    131,203.95x = 14,032,983,864.53
  5. Step 5: Solve for x
    x = 14,032,983,864.53/131,203.95
  6. Step 6: Final answer
    x = 106,955.50

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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.