Home / 105,137.02-145,084-59,810.73

Finding the Fourth Proportional to 105,137.02, 145,084 and 59,810.73

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Solution

The fourth proportional to 105,137.02, 145,084 and 59,810.73 is: 82,535.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,137.02 : 145,084 = 59,810.73 : x
  2. Step 2: Convert to fraction form
    105,137.02/145,084 = 59,810.73/x
  3. Step 3: Cross multiply
    105,137.02x = 145,084 × 59,810.73
  4. Step 4: Simplify right side
    105,137.02x = 8,677,579,951.32
  5. Step 5: Solve for x
    x = 8,677,579,951.32/105,137.02
  6. Step 6: Final answer
    x = 82,535.91

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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.