Home / 105,307.81-145,304.62-59,984.80

Finding the Fourth Proportional to 105,307.81, 145,304.62 and 59,984.80

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Solution

The fourth proportional to 105,307.81, 145,304.62 and 59,984.80 is: 82,767.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,307.81 : 145,304.62 = 59,984.80 : x
  2. Step 2: Convert to fraction form
    105,307.81/145,304.62 = 59,984.80/x
  3. Step 3: Cross multiply
    105,307.81x = 145,304.62 × 59,984.80
  4. Step 4: Simplify right side
    105,307.81x = 8,716,068,056.55
  5. Step 5: Solve for x
    x = 8,716,068,056.55/105,307.81
  6. Step 6: Final answer
    x = 82,767.54

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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.