Home / 113,048.63-156,007.71-70,631.76

Finding the Fourth Proportional to 113,048.63, 156,007.71 and 70,631.76

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Solution

The fourth proportional to 113,048.63, 156,007.71 and 70,631.76 is: 97,472.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,048.63 : 156,007.71 = 70,631.76 : x
  2. Step 2: Convert to fraction form
    113,048.63/156,007.71 = 70,631.76/x
  3. Step 3: Cross multiply
    113,048.63x = 156,007.71 × 70,631.76
  4. Step 4: Simplify right side
    113,048.63x = 11,019,099,130.87
  5. Step 5: Solve for x
    x = 11,019,099,130.87/113,048.63
  6. Step 6: Final answer
    x = 97,472.21

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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.