Home / 152,880.30-210,967.74-84,901.62

Finding the Fourth Proportional to 152,880.30, 210,967.74 and 84,901.62

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Solution

The fourth proportional to 152,880.30, 210,967.74 and 84,901.62 is: 117,160.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,880.30 : 210,967.74 = 84,901.62 : x
  2. Step 2: Convert to fraction form
    152,880.30/210,967.74 = 84,901.62/x
  3. Step 3: Cross multiply
    152,880.30x = 210,967.74 × 84,901.62
  4. Step 4: Simplify right side
    152,880.30x = 17,911,502,893.74
  5. Step 5: Solve for x
    x = 17,911,502,893.74/152,880.30
  6. Step 6: Final answer
    x = 117,160.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.