Home / 90,870.74-136,333.91-46,528.86

Finding the Fourth Proportional to 90,870.74, 136,333.91 and 46,528.86

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Solution

The fourth proportional to 90,870.74, 136,333.91 and 46,528.86 is: 69,807.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,870.74 : 136,333.91 = 46,528.86 : x
  2. Step 2: Convert to fraction form
    90,870.74/136,333.91 = 46,528.86/x
  3. Step 3: Cross multiply
    90,870.74x = 136,333.91 × 46,528.86
  4. Step 4: Simplify right side
    90,870.74x = 6,343,461,411.64
  5. Step 5: Solve for x
    x = 6,343,461,411.64/90,870.74
  6. Step 6: Final answer
    x = 69,807.52

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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.