Home / 107,571.71-148,459.86-61,637.45

Finding the Fourth Proportional to 107,571.71, 148,459.86 and 61,637.45

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Solution

The fourth proportional to 107,571.71, 148,459.86 and 61,637.45 is: 85,065.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,571.71 : 148,459.86 = 61,637.45 : x
  2. Step 2: Convert to fraction form
    107,571.71/148,459.86 = 61,637.45/x
  3. Step 3: Cross multiply
    107,571.71x = 148,459.86 × 61,637.45
  4. Step 4: Simplify right side
    107,571.71x = 9,150,686,455.46
  5. Step 5: Solve for x
    x = 9,150,686,455.46/107,571.71
  6. Step 6: Final answer
    x = 85,065.92

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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.