Home / 142,037.40-213,005.70-63,010.20

Finding the Fourth Proportional to 142,037.40, 213,005.70 and 63,010.20

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Solution

The fourth proportional to 142,037.40, 213,005.70 and 63,010.20 is: 94,492.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,037.40 : 213,005.70 = 63,010.20 : x
  2. Step 2: Convert to fraction form
    142,037.40/213,005.70 = 63,010.20/x
  3. Step 3: Cross multiply
    142,037.40x = 213,005.70 × 63,010.20
  4. Step 4: Simplify right side
    142,037.40x = 13,421,531,758.14
  5. Step 5: Solve for x
    x = 13,421,531,758.14/142,037.40
  6. Step 6: Final answer
    x = 94,492.94

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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.