Home / 144,178.02-216,130.95-69,340.50

Finding the Fourth Proportional to 144,178.02, 216,130.95 and 69,340.50

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Solution

The fourth proportional to 144,178.02, 216,130.95 and 69,340.50 is: 103,945.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,178.02 : 216,130.95 = 69,340.50 : x
  2. Step 2: Convert to fraction form
    144,178.02/216,130.95 = 69,340.50/x
  3. Step 3: Cross multiply
    144,178.02x = 216,130.95 × 69,340.50
  4. Step 4: Simplify right side
    144,178.02x = 14,986,628,138.48
  5. Step 5: Solve for x
    x = 14,986,628,138.48/144,178.02
  6. Step 6: Final answer
    x = 103,945.30

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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.