Home / 121,117.50-181,682.73-38,017.98

Finding the Fourth Proportional to 121,117.50, 181,682.73 and 38,017.98

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Solution

The fourth proportional to 121,117.50, 181,682.73 and 38,017.98 is: 57,029.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,117.50 : 181,682.73 = 38,017.98 : x
  2. Step 2: Convert to fraction form
    121,117.50/181,682.73 = 38,017.98/x
  3. Step 3: Cross multiply
    121,117.50x = 181,682.73 × 38,017.98
  4. Step 4: Simplify right side
    121,117.50x = 6,907,210,395.49
  5. Step 5: Solve for x
    x = 6,907,210,395.49/121,117.50
  6. Step 6: Final answer
    x = 57,029.00

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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.