Home / 125,807.32-173,618.26-72,102.63

Finding the Fourth Proportional to 125,807.32, 173,618.26 and 72,102.63

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Solution

The fourth proportional to 125,807.32, 173,618.26 and 72,102.63 is: 99,504.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,807.32 : 173,618.26 = 72,102.63 : x
  2. Step 2: Convert to fraction form
    125,807.32/173,618.26 = 72,102.63/x
  3. Step 3: Cross multiply
    125,807.32x = 173,618.26 × 72,102.63
  4. Step 4: Simplify right side
    125,807.32x = 12,518,332,801.51
  5. Step 5: Solve for x
    x = 12,518,332,801.51/125,807.32
  6. Step 6: Final answer
    x = 99,504.01

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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.