Home / 105,228.61-145,213.35-59,288.32

Finding the Fourth Proportional to 105,228.61, 145,213.35 and 59,288.32

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Solution

The fourth proportional to 105,228.61, 145,213.35 and 59,288.32 is: 81,816.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,228.61 : 145,213.35 = 59,288.32 : x
  2. Step 2: Convert to fraction form
    105,228.61/145,213.35 = 59,288.32/x
  3. Step 3: Cross multiply
    105,228.61x = 145,213.35 × 59,288.32
  4. Step 4: Simplify right side
    105,228.61x = 8,609,455,563.07
  5. Step 5: Solve for x
    x = 8,609,455,563.07/105,228.61
  6. Step 6: Final answer
    x = 81,816.68

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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.