Home / 145,113.36-217,628.72-56,347.92

Finding the Fourth Proportional to 145,113.36, 217,628.72 and 56,347.92

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Solution

The fourth proportional to 145,113.36, 217,628.72 and 56,347.92 is: 84,505.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,113.36 : 217,628.72 = 56,347.92 : x
  2. Step 2: Convert to fraction form
    145,113.36/217,628.72 = 56,347.92/x
  3. Step 3: Cross multiply
    145,113.36x = 217,628.72 × 56,347.92
  4. Step 4: Simplify right side
    145,113.36x = 12,262,925,704.26
  5. Step 5: Solve for x
    x = 12,262,925,704.26/145,113.36
  6. Step 6: Final answer
    x = 84,505.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.