Home / 152,378.01-228,416.36-72,275.49

Finding the Fourth Proportional to 152,378.01, 228,416.36 and 72,275.49

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Solution

The fourth proportional to 152,378.01, 228,416.36 and 72,275.49 is: 108,341.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,378.01 : 228,416.36 = 72,275.49 : x
  2. Step 2: Convert to fraction form
    152,378.01/228,416.36 = 72,275.49/x
  3. Step 3: Cross multiply
    152,378.01x = 228,416.36 × 72,275.49
  4. Step 4: Simplify right side
    152,378.01x = 16,508,903,981.64
  5. Step 5: Solve for x
    x = 16,508,903,981.64/152,378.01
  6. Step 6: Final answer
    x = 108,341.77

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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.