Home / 105,295.32-145,306.71-59,350.77

Finding the Fourth Proportional to 105,295.32, 145,306.71 and 59,350.77

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Solution

The fourth proportional to 105,295.32, 145,306.71 and 59,350.77 is: 81,903.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,295.32 : 145,306.71 = 59,350.77 : x
  2. Step 2: Convert to fraction form
    105,295.32/145,306.71 = 59,350.77/x
  3. Step 3: Cross multiply
    105,295.32x = 145,306.71 × 59,350.77
  4. Step 4: Simplify right side
    105,295.32x = 8,624,065,124.67
  5. Step 5: Solve for x
    x = 8,624,065,124.67/105,295.32
  6. Step 6: Final answer
    x = 81,903.59

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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.