Home / 121,113.36-181,671.04-42,227.44

Finding the Fourth Proportional to 121,113.36, 181,671.04 and 42,227.44

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Solution

The fourth proportional to 121,113.36, 181,671.04 and 42,227.44 is: 63,341.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,113.36 : 181,671.04 = 42,227.44 : x
  2. Step 2: Convert to fraction form
    121,113.36/181,671.04 = 42,227.44/x
  3. Step 3: Cross multiply
    121,113.36x = 181,671.04 × 42,227.44
  4. Step 4: Simplify right side
    121,113.36x = 7,671,502,941.34
  5. Step 5: Solve for x
    x = 7,671,502,941.34/121,113.36
  6. Step 6: Final answer
    x = 63,341.51

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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.