Home / 152,312.02-228,332.41-72,300.63

Finding the Fourth Proportional to 152,312.02, 228,332.41 and 72,300.63

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Solution

The fourth proportional to 152,312.02, 228,332.41 and 72,300.63 is: 108,386.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,312.02 : 228,332.41 = 72,300.63 : x
  2. Step 2: Convert to fraction form
    152,312.02/228,332.41 = 72,300.63/x
  3. Step 3: Cross multiply
    152,312.02x = 228,332.41 × 72,300.63
  4. Step 4: Simplify right side
    152,312.02x = 16,508,577,092.42
  5. Step 5: Solve for x
    x = 16,508,577,092.42/152,312.02
  6. Step 6: Final answer
    x = 108,386.57

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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.