Home / 102,131.81-153,037.57-64,612.63

Finding the Fourth Proportional to 102,131.81, 153,037.57 and 64,612.63

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Solution

The fourth proportional to 102,131.81, 153,037.57 and 64,612.63 is: 96,817.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,131.81 : 153,037.57 = 64,612.63 : x
  2. Step 2: Convert to fraction form
    102,131.81/153,037.57 = 64,612.63/x
  3. Step 3: Cross multiply
    102,131.81x = 153,037.57 × 64,612.63
  4. Step 4: Simplify right side
    102,131.81x = 9,888,159,689.51
  5. Step 5: Solve for x
    x = 9,888,159,689.51/102,131.81
  6. Step 6: Final answer
    x = 96,817.63

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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.