Home / 142,125.72-213,117.26-47,322.50

Finding the Fourth Proportional to 142,125.72, 213,117.26 and 47,322.50

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Solution

The fourth proportional to 142,125.72, 213,117.26 and 47,322.50 is: 70,960.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,125.72 : 213,117.26 = 47,322.50 : x
  2. Step 2: Convert to fraction form
    142,125.72/213,117.26 = 47,322.50/x
  3. Step 3: Cross multiply
    142,125.72x = 213,117.26 × 47,322.50
  4. Step 4: Simplify right side
    142,125.72x = 10,085,241,536.35
  5. Step 5: Solve for x
    x = 10,085,241,536.35/142,125.72
  6. Step 6: Final answer
    x = 70,960.00

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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.