Home / 143,454.36-198,108.98-118,210.84

Finding the Fourth Proportional to 143,454.36, 198,108.98 and 118,210.84

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Solution

The fourth proportional to 143,454.36, 198,108.98 and 118,210.84 is: 163,247.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,454.36 : 198,108.98 = 118,210.84 : x
  2. Step 2: Convert to fraction form
    143,454.36/198,108.98 = 118,210.84/x
  3. Step 3: Cross multiply
    143,454.36x = 198,108.98 × 118,210.84
  4. Step 4: Simplify right side
    143,454.36x = 23,418,628,937.34
  5. Step 5: Solve for x
    x = 23,418,628,937.34/143,454.36
  6. Step 6: Final answer
    x = 163,247.94

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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.