Home / 97,315.59-145,960.86-30,762.45

Finding the Fourth Proportional to 97,315.59, 145,960.86 and 30,762.45

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Solution

The fourth proportional to 97,315.59, 145,960.86 and 30,762.45 is: 46,139.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,315.59 : 145,960.86 = 30,762.45 : x
  2. Step 2: Convert to fraction form
    97,315.59/145,960.86 = 30,762.45/x
  3. Step 3: Cross multiply
    97,315.59x = 145,960.86 × 30,762.45
  4. Step 4: Simplify right side
    97,315.59x = 4,490,113,657.71
  5. Step 5: Solve for x
    x = 4,490,113,657.71/97,315.59
  6. Step 6: Final answer
    x = 46,139.72

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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.