Home / 144,030.60-198,762.36-80,368.44

Finding the Fourth Proportional to 144,030.60, 198,762.36 and 80,368.44

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Solution

The fourth proportional to 144,030.60, 198,762.36 and 80,368.44 is: 110,908.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,030.60 : 198,762.36 = 80,368.44 : x
  2. Step 2: Convert to fraction form
    144,030.60/198,762.36 = 80,368.44/x
  3. Step 3: Cross multiply
    144,030.60x = 198,762.36 × 80,368.44
  4. Step 4: Simplify right side
    144,030.60x = 15,974,220,803.92
  5. Step 5: Solve for x
    x = 15,974,220,803.92/144,030.60
  6. Step 6: Final answer
    x = 110,908.52

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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.