Home / 142,395.77-213,204.57-102,454.67

Finding the Fourth Proportional to 142,395.77, 213,204.57 and 102,454.67

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Solution

The fourth proportional to 142,395.77, 213,204.57 and 102,454.67 is: 153,402.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,395.77 : 213,204.57 = 102,454.67 : x
  2. Step 2: Convert to fraction form
    142,395.77/213,204.57 = 102,454.67/x
  3. Step 3: Cross multiply
    142,395.77x = 213,204.57 × 102,454.67
  4. Step 4: Simplify right side
    142,395.77x = 21,843,802,795.82
  5. Step 5: Solve for x
    x = 21,843,802,795.82/142,395.77
  6. Step 6: Final answer
    x = 153,402.05

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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.