Home / 103,826.04-143,281.27-61,384.20

Finding the Fourth Proportional to 103,826.04, 143,281.27 and 61,384.20

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Solution

The fourth proportional to 103,826.04, 143,281.27 and 61,384.20 is: 84,710.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,826.04 : 143,281.27 = 61,384.20 : x
  2. Step 2: Convert to fraction form
    103,826.04/143,281.27 = 61,384.20/x
  3. Step 3: Cross multiply
    103,826.04x = 143,281.27 × 61,384.20
  4. Step 4: Simplify right side
    103,826.04x = 8,795,206,133.93
  5. Step 5: Solve for x
    x = 8,795,206,133.93/103,826.04
  6. Step 6: Final answer
    x = 84,710.99

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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.