Home / 105,087.67-145,033.05-59,772.40

Finding the Fourth Proportional to 105,087.67, 145,033.05 and 59,772.40

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Solution

The fourth proportional to 105,087.67, 145,033.05 and 59,772.40 is: 82,492.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,087.67 : 145,033.05 = 59,772.40 : x
  2. Step 2: Convert to fraction form
    105,087.67/145,033.05 = 59,772.40/x
  3. Step 3: Cross multiply
    105,087.67x = 145,033.05 × 59,772.40
  4. Step 4: Simplify right side
    105,087.67x = 8,668,973,477.82
  5. Step 5: Solve for x
    x = 8,668,973,477.82/105,087.67
  6. Step 6: Final answer
    x = 82,492.77

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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.