Home / 105,277.34-145,284.63-57,532.70

Finding the Fourth Proportional to 105,277.34, 145,284.63 and 57,532.70

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Solution

The fourth proportional to 105,277.34, 145,284.63 and 57,532.70 is: 79,396.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,277.34 : 145,284.63 = 57,532.70 : x
  2. Step 2: Convert to fraction form
    105,277.34/145,284.63 = 57,532.70/x
  3. Step 3: Cross multiply
    105,277.34x = 145,284.63 × 57,532.70
  4. Step 4: Simplify right side
    105,277.34x = 8,358,617,032.40
  5. Step 5: Solve for x
    x = 8,358,617,032.40/105,277.34
  6. Step 6: Final answer
    x = 79,396.16

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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.