Home / 143,980.02-216,045.63-102,129.93

Finding the Fourth Proportional to 143,980.02, 216,045.63 and 102,129.93

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Solution

The fourth proportional to 143,980.02, 216,045.63 and 102,129.93 is: 153,248.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,980.02 : 216,045.63 = 102,129.93 : x
  2. Step 2: Convert to fraction form
    143,980.02/216,045.63 = 102,129.93/x
  3. Step 3: Cross multiply
    143,980.02x = 216,045.63 × 102,129.93
  4. Step 4: Simplify right side
    143,980.02x = 22,064,725,068.71
  5. Step 5: Solve for x
    x = 22,064,725,068.71/143,980.02
  6. Step 6: Final answer
    x = 153,248.52

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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.